.magnifierBox {
    margin: 20px auto;
    width: 600px;
    height: 300px;
    overflow: hidden;
}

.magnifierBox .smallBox, .magnifierBox .bigBox {
    position: relative;

    float: left;
    width: 300px;
    height: 100%;
    overflow: hidden;
}

.magnifierBox .smallBox img {
    display: block;
    width: 100%;
    height: 100%;
}

.magnifierBox .smallBox .mark {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    width: 100px;
    height: 100px;
    background: #E01D20;
    opacity: 0.3;
    filter: alpha(opacity=30);
    cursor: move; /*鼠标是可移动的图标*/
}

.magnifierBox .bigBox img {
    position: absolute;
    top: 0;
    left: 0;
    /* width: 900px; */
    /* height: 900px; MARK/SMALLBOX===BIGBOX:BIG-IMG  100/300=300*900 */
}

.magnifierBox .smallBox .mark, .magnifierBox .bigBox {
    display: none;
}